Australian Government Bureau of Meteorology
Western Australia
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 01:14 PM WST on Monday 15 December 2025
Valid for Monday 15 December 2025 to Wednesday 17 December 2025
Warning for the following areas:
Goldfields, Eucla, South West, South Coastal, South East Coastal, Great Southern and Central Wheat Belt
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures in the mid thirties to low forties and overnight minimum temperatures in the high teens to high twenties.
Severe heatwave conditions will continue over the southwest before contracting to eastern parts of WA by the middle of the week as a trough moves inland from the west coast. Locations likely to be impacted include Hopetoun, Hyden, Kalgoorlie, Katanning, Lake Grace, Mount Barker, Narrogin, Ravensthorpe and Wagin.
The next heatwave warning will be issued by 2:00pm WST on Tuesday 16 December 2025
Forecast
Mount Margaret (28.8166°S, 122.1655°E, 421m AMSL) set as my default location ›
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7 day forecast
Today: Mostly sunny. The chance of a thunderstorm in the W. Winds E/NE 15 to 25 km/h.
Forecast for Mount Margaret (28.8166°S, 122.1655°E, 421m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary
Minimum 23° 27° 27° 26° 20° 24° 17° Maximum 38° 41° 42° 38° 36° 38° 32° Chance of rain 5% 20% 5% 10% 40% 20% 10% Likely amount < 1mm 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High High Moderate High Moderate - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 28
(km/h)11
(km/h)27
(km/h)15
(km/h)22
(km/h)15
(km/h)21
(km/h)21
(km/h)25
(km/h)20
(km/h)19
(km/h)25
(km/h)26
(km/h)22
(km/h)Wind direction ENE E NE NNE NNW NNW SE S ESE ESE E SSW ESE SE Relative humidity 17% 11% 15% 11% 24% 11% 29% 14% 41% 16% 38% 17% 35% 15% Dew point 4°C 2°C 5°C 5°C 12°C 5°C 10°C 6°C 10°C 6°C 13°C 8°C 6°C 2°C -
Sunrise and sunset times
Sunrise / Sunset for Mount Margaret (28.8166°S, 122.1655°E, 421m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 4:20am WST 4:47am WST 6:44pm WST 7:11pm WST 1:15am WST 2:39pm WST
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days